Your heart beats about 100,000 times in one day and about 35 million times in a year. During an average lifetime, the human heart will beat more than 2.5 billion times. Give a tennis ball a good ...

These tireless cells, called pacemakers, which control the beat of your heart, came into being ... of the inner workings of the human eye by combining CGI with a real life story of divers who ...

Now, a heart simulator that replicates the complicated movements and functions of a real human heart has been ... and ...